package com.itheima.reggie.common;

/*
*   全局异常处理
* */

import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;

import java.sql.SQLIntegrityConstraintViolationException;

/*
*   全局异常处理
* */

@ControllerAdvice(annotations = { Controller.class})
@ResponseBody
@Slf4j
public class GlobalExceptionHandler {
    /*
    *   异常处理方法
    * */
    @ExceptionHandler(SQLIntegrityConstraintViolationException.class)
    public R<String> exceptionHandler(SQLIntegrityConstraintViolationException ex){
        log.error(ex.getMessage());

        if (ex.getMessage().contains("Duplicate entry")){
            String[] splits = ex.getMessage().split(" ");
            String s = splits[2] + "已存在";
            return R.error(s);
        }

        return  R.error("未知错误");
    }

    /*
     *   自定义异常处理
     * */
    @ExceptionHandler(CustomException.class)
    public R<String> exceptionHandler(CustomException ex){
        log.error(ex.getMessage());

        //返回异常信息
        return  R.error(ex.getMessage());
    }
}
